Plumbing, Heating, and Air-Conditioning Contractors, Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipmen, Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers, Refrigeration Equipment and Supplies Merchant Wholesalers, Industrial Machinery and Equipment Merchant Wholesalers

Electrical Contractors, Plumbing, Heating, and Air-Conditioning Contractors, All Other Miscellaneous General Purpose Machinery Manufacturing, Service Establishment Equipment and Supplies Merchant Wholesalers, Wired Telecommunications Carriers

Overhead Traveling Crane, Hoist, and Monorail System Manufacturing, Industrial Machinery and Equipment Merchant Wholesalers

Other Fabricated Wire Product Manufacturing, Optical Instrument and Lens Manufacturing, Other Communications Equipment Manufacturing, Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use

Industrial Building Construction, Power and Communication Line and Related Structures Construction, Other Heavy and Civil Engineering Construction, Poured Concrete Foundation and Structure Contractors, Structural Steel and Precast Concrete Contractors

Petroleum Lubricating Oil and Grease Manufacturing, All Other Miscellaneous Chemical Product and Preparation Manufacturing, Speed Changer, Industrial High-Speed Drive, and Gear Manufacturing, Gasoline Engine and Engine Parts Manufacturing, Motor Vehicle Steering and Suspension Components (except Spring) Manufacturing

Hat, Cap, and Millinery Manufacturing, Rubber and Plastics Footwear Manufacturing, Rubber Product Manufacturing for Mechanical Use, All Other Rubber Product Manufacturing, Plastics and Rubber Industry Machinery Manufacturing

Lawn and Garden Tractor and Home Lawn and Garden Equipment Manufacturing, Hardware Merchant Wholesalers, Farm and Garden Machinery and Equipment Merchant Wholesalers, Hardware Stores, Outdoor Power Equipment Stores

Rubber Product Manufacturing for Mechanical Use, All Other Rubber Product Manufacturing, Industrial Mold Manufacturing, Custom Computer Programming Services, Computer Systems Design Services

Power-Driven Handtool Manufacturing, Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals, Electric Lamp Bulb and Part Manufacturing

Prefabricated Metal Building and Component Manufacturing, Fabricated Structural Metal Manufacturing, Metal Tank (Heavy Gauge) Manufacturing, Other Metal Container Manufacturing, Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipmen

Paint and Coating Manufacturing, Air and Gas Compressor Manufacturing, Marking Device Manufacturing

Other Commercial and Service Industry Machinery Manufacturing, Electronic Computer Manufacturing, Computer Storage Device Manufacturing, Computer Terminal Manufacturing, Other Computer Peripheral Equipment Manufacturing

Electrical Contractors, Optical Instrument and Lens Manufacturing, Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers, Investigation Services

Commercial, Industrial, and Institutional Electric Lighting Fixture Manufacturing, Other Lighting Equipment Manufacturing, Power, Distribution, and Specialty Transformer Manufacturing, Motor and Generator Manufacturing, Switchgear and Switchboard Apparatus Manufacturing

Steam and Air-Conditioning Supply, Wood Preservation, Plastics Material and Resin Manufacturing, Plastics Plumbing Fixture Manufacturing, All Other Rubber Product Manufacturing

All Other Specialty Trade Contractors, Polish and Other Sanitation Good Manufacturing, Other Commercial and Service Industry Machinery Manufacturing, Household Vacuum Cleaner Manufacturing, Janitorial Services

All Other Miscellaneous Wood Product Manufacturing, Flat Glass Manufacturing, All Other Industrial Machinery Manufacturing, Office Machinery Manufacturing, Other Commercial and Service Industry Machinery Manufacturing

Sewage Treatment Facilities, Synthetic Rubber Manufacturing, Rubber Product Manufacturing for Mechanical Use, Oil and Gas Field Machinery and Equipment Manufacturing, Pump and Pumping Equipment Manufacturing

Sheet Metal Work Manufacturing, Welding and Soldering Equipment Manufacturing

Flooring Contractors, All Other Specialty Trade Contractors, Soft Drink Manufacturing, Other Commercial and Service Industry Machinery Manufacturing, Machine Tool (Metal Forming Types) Manufacturing

Scale and Balance (except Laboratory) Manufacturing

Farm Machinery and Equipment Manufacturing

Scale and Balance (except Laboratory) Manufacturing, Other Commercial Equipment Merchant Wholesalers, Other Professional Equipment and Supplies Merchant Wholesalers, Testing Laboratories